Eugene as Hyo-jeong

Cha Soo-yeon as Na-ni

Cho Eun-ji as In-soon

Park Han-byul as Yeon-joo

Kim Hye-na as Yoo-kyeong

Lee Yeong-jin as Seon-hwa

Hwang Seung-eon as Bo-ra

Lee Hye-sang as Kan Mi-hee

Choi Daniel as Dong-hoon

Hwang Ha-na as Oh Eun-sil

Yoon Jin-seong as Kan Mi-hee

Lee Seon-ho as (cameo) (uncredited)

Bae Joong-sik as (cameo) (uncredited)

Jang Liu as Front desk